我想要知道这个是什么意思class questions{\x05public:\x05void set_fraction(int x){fraction=x;}\x05int increase_fraction(){return fraction=fraction+10;}\x05int get_fraction(){return fraction;}\x05private:\x05int fraction;};

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我想要知道这个是什么意思classquestions{\x05public:\x05voidset_fraction(intx){fraction=x;}\x05intincrease_fractio

我想要知道这个是什么意思class questions{\x05public:\x05void set_fraction(int x){fraction=x;}\x05int increase_fraction(){return fraction=fraction+10;}\x05int get_fraction(){return fraction;}\x05private:\x05int fraction;};
我想要知道这个是什么意思
class questions
{
\x05public:
\x05void set_fraction(int x){fraction=x;}
\x05int increase_fraction(){return fraction=fraction+10;}
\x05int get_fraction(){return fraction;}
\x05private:
\x05int fraction;
};